AUM, which recently hit Apple’s app store, is an audio integration toolkit for iOS. The name works as an acronym (Audio Utility Mixer) and is ostensibly a reference to the spiritual symbol and perhaps even the trippy Coltrane album. Like the name, the app works on multiple levels. As described in the in-depth review on Music App Blog, AUM

Xynthesizr continues to be a great sequencer for iOS, particularly for the iPad form factor. It has some powerful features and manages to house them all within a tidy interface that puts a straightforward sequencing grid front and center. And according to a recent Twitter conversation with Yuri Turov, it sounds like he’s working on support for Ableton’s Link protocol, which

MiMiX is a great little app for mixing iOS music apps live. It lets you control multiple Audiobus inputs through a single mixer interface that provides level, pan, mute and solo functions. Version 2.0 was released on 8/19 and included some minor enhancements from the previous version. The new features include: Audiobus Remote support with customizable trigger setup